Chambers & Partners publishes the guide to the best practitioners in all the main areas of business law. Recommendations are based upon thousands of interviews conducted by the Chambers & Partners research team. The team interviews clients and attorneys throughout the United States asking them about the lawyers they see in action. Entry in the guide is based solely on market recommendation.

Armstrong and Newell were recommended in Antitrust. Armstrong earned acclaim for his "careful and thoughtful approach" to competition law and Newell was recognized by interviewees for his "tremendous experience" in fending off anti-competitive claims.

Bergere, well regarded for his regulatory work, was recommended in the field of Environmental Law.

Marion, recommended in Litigation, is described in the guide as "armed with what competitors claim to be a 'legendary reputation'" and "'a player' in the fields of antitrust, First Amendment, and IP.